Replace usages of new Image(device, width, height) for Snippets/Tests

[ShahzaibIbrahim]

Attaching file here. All the oranges cell needs to be replaced with Image(device, ImageGcDrawer, width, height) constructor.

UsageForImageConstructor.xlsx

PRs

• Refactor Image(Display, int, int) in Tests eclipse-platform/eclipse.platform.ui#3024
• Refactor Image(Display, int, int) in Tests (No Ops) eclipse-platform/eclipse.platform.swt#2221
• Refactor Image(Display, int, int) in Tests (Automated Tests) eclipse-platform/eclipse.platform.swt#2229
• Refactor Image(Display, int, int) in Tests (Manual Test) eclipse-platform/eclipse.platform.swt#2230